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Full Discussion: KSH - mailx - Redirect the undelivered mail
Top Forums Shell Programming and Scripting KSH - mailx - Redirect the undelivered mail Post 302485928 by DGPickett on Thursday 6th of January 2011 01:25:04 PM
Old 01-06-2011
Sending is no trick, it is automatically receiving and processing. You have to receive all to process any. Devote a new id as sender, and write a cron script on that id to get the mail one message at a time, sort them, save them, and remail any returns to admin. You might also email a summary of other mail to admin once a day, unless all other email if any is a week old. Or, you could mail all non-admin messages to another id.

Otherwise, you are talking about a lot of sendmail.conf programming to make the mail daemon do it, possibly destabilizing it.

You can get each incoming email processed immediately in some configurations using '|command_you_create' in ~/.forward, but this is not well thought of in security circles.
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LEARN ABOUT SUNOS

mailcompat

mailcompat(1)							   User Commands						     mailcompat(1)

NAME

       mailcompat - provide SunOS compatibility for Solaris mailbox format

DESCRIPTION

       mailcompat  is  a program to provide SunOS 4.x compatability for the Solaris mailbox format. You would typically run  mailcompat to be able
       to read mail on a workstation running SunOS 4.x when your mail server is running Solaris.

       Enabling mailcompat creates an entry in your  .forward file, if it exists.  If this file does not exist, mailcompat will create	it.   Dis-
       abling mailcompat will remove the entry from the .forward file, and if this was the only entry, will remove the entire file.

       To  execute  mailcompat, log onto the Solaris mail server and enter mailcompat on the command line. Answer the queries provided by the pro-
       gram.

USAGE

       See largefile(5) for the description of the behavior of mailcompat when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes).

EXAMPLES

       Example 1: Examples of the mailcompat feature.

       The following example enables the mailcompat feature for the user "john".

       example% mailcompat
       This program can be used to store your mail in a format
       that you can read with SunOS 4.X based mail readers
       To enable the mailcompat feature a ".forward" file is created.
       Would you like to enable the mailcompat feature? Y
       Mailcompat feature ENABLED.Run mailcompat with no arguments to remove it
       example%

       The following example disables the mailcompat feature for the user "john".

       example% mailcompat
       This program can be used to store your mail in a format
       that you can read with SunOS 4.X based mail readers
       You have a .forward file in your home directory	containing:
	   "|/usr/bin/mailcompat johns"
       Would you like to remove it and disable the mailcompat feature? y
       Back to normal reception of mail.
       example%

FILES

       ~/.forward      list of recipients for forwarding messages

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mailx(1), attributes(5), largefile(5)

SunOS 5.10							    4 Aug 1994							     mailcompat(1)
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